Elasticsearch Cluster Human readable, tabular Cluster Health with headers

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Example uses basic HTTP syntax. Any <#> in the example should be removed when copying it.

You can use the _cat APIs to get a human readable, tabular output for various reasons.

GET /_cat/health?v <1>
  1. The ?v is optional, but it implies that you want "verbose" output.

_cat/health has existed since Elasticsearch 1.x, but here is an example of its output from Elasticsearch 5.x:

With verbose output:

epoch      timestamp cluster       status node.total node.data shards pri relo init unassign pending_tasks max_task_wait_time active_shards_percent
1469302011 15:26:51  elasticsearch yellow          1         1     45  45    0    0       44             0                  -                 50.6%

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